Sample: 88VS20
Sample ID: | 88VS20 [1] |
Station ID: | 88VS20 |
AT Num: | |
Volcano: | Vsevidof |
Possible source: | |
Eruption: | |
Collector: | Nye, C. J. |
Date sampled: | 1988-01-01 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Basaltic andesite sample with coarse plagioclase from a series of overlapping lava lobes, each with well-defined levees. 1500’ asl. Appears to overlie 88VS19. Porphyritic basaltic andesite with phenocrysts of plagioclase (8%, up to 2.2 x 0.8 mm), and microphenocrysts of olivine (1%, 0.4 mm diameter) in a fine-grained groundmass of plagioclase laths (200 x 20 microns) with interstitial pyroxene, microcrystalline material, and sparse glass. |
Sample Location: |